| Item | Part No. | Part Name | Qty | Serial No. |
| 266-80-43000 | WATER PUMP ASS'Y | 4501- | ||
| 1 | 266-85-31110 | CASE | 4501- | |
| 2 | 266-85-31120 | STUD | 4501- | |
| 3 | 266-85-31130 | DIAPHRAGM | 4501- | |
| 4 | 266-85-31200 | CONNECTING ROD A. | 4501- | |
| 5 | 266-85-31310 | CUSHION | 4501- | |
| 6 | 266-85-31320 | GUARD | 4501- | |
| 7 | 266-85-31330 | GUARD | 4501- | |
| 8 | 266-85-31340 | SHAFT | 4501- | |
| 2691-8-13400 | VALVE ASS'Y | 4501- | ||
| 9 | 266-85-31410 | LOCK | 4501- | |
| 10 | 266-85-31420 | PACKING | 4501- | |
| 11 | 266-85-31430 | SPRING | 4501- | |
| 12 | 266-85-31440 | VALVE | 4501- | |
| 13 | 266-85-31450 | SEAT | 4501- | |
| 14 | 266-85-31140 | CASE | 4501- | |
| 266-85-31400 | VALVE ASS'Y | 4501- | ||
| 15 | 266-85-31460 | CASE | 4501- | |
| 16 | 266-85-31410 | LOCK | 4501- | |
| 17 | 266-85-31420 | PACKING | 4501- | |
| 18 | 266-85-31430 | SPRING | 4501- | |
| 19 | 266-85-31440 | VALVE | 4501- | |
| 20 | 266-85-31450 | SEAT | 4501- | |
| 21 | 266-85-31920 | HOOK | 4501- | |
| 22 | 266-80-43510 | PULLEY | 4501- | |
| 23 | 2691-8-13130 | CHANNEL | 4501- | |
| 24 | 07042-00312 | PLUG | 4501- | |
| 25 | 06006-06004 | BEARING | 4501- | |
| 26 | 06006-06302 | BEARING | 4501- | |
| 27 | 02715-00838 | NIPPLE | 4501- | |
| 28 | 04064-02012 | RING | 4501- | |
| 29 | 04065-04218 | RING | 4501- | |
| 30 | 04000-00515 | KEY | 4501- | |
| 31 | 265-06-02000 | NUT | 4501- | |
| 32 | 265-07-02000 | WASHER | 4501- | |
| 33 | 01010-30820 | BOLT | 4501- | |
| 34 | 01580-00605 | NUT | 4501- | |
| 35 | 01580-01008 | NUT | 4501- | |
| 36 | 01602-00619 | WASHER | 4501- | |
| 37 | 01602-00825 | WASHER | 4501- | |
| 38 | 266-85-31940 | SPRING | 4501- | |
| 39 | 2691-8-13200 | PIN | 4501- | |
| 40 | 01010-30816 | BOLT | 4501- | |
| 41 | 01602-00825 | WASHER | 4501- | |
| 42 | 01010-31020 | BOLT | 4501- | |
| 43 | 01602-01030 | WASHER | 4501- | |
| 44 | 266-80-43100 | BRACKET | 4501- | |
| 45 | 265-99-10032 | V-BELT | 4501- |